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<!doctype html>
<html>
<head>
<title>Lostpointercapture fires on document when target in shadow dom is removed</title>
<meta name="viewport" content="width=device-width">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=810882">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
</head>
<body onload="onLoad()">
<template id="template">
<style>
#content{
height:100px;
width:100px;
background-color: lightgrey;
}
</style>
<div id="content"></div>
</template>
<h1>Pointer Events - lostpointercapture when capturing element in shadow dom is removed</h1>
<h4>
Test Description:
This test checks if lostpointercapture is fired at the document when the capturing node that is in shadow dom is removed from the shadow dom.
Complete the following actions:
<ol>
<li>Press left mouse button over "Set Capture" button. Pointer should be captured by the gray rectangle which is in shadow dom.</li>
<li>Gray rectangle will be removed from shadow dom.</li>
<li>"lostpointercapture" should be received on the document not on the gray rectangle.</li>
</ol>
</h4>
<div id="shadowhost"></div>
<br>
<input type="button" id="btnCapture" value="Set Capture">
<div id="log"></div>
<script>
async function onLoad(){
var logDiv = document.getElementById("log");
function logMessage(message){
var log = document.createElement("div");
var messageNode = document.createTextNode(message);
log.appendChild(messageNode);
logDiv.appendChild(log);
}
var events = [];
var host = document.getElementById("shadowhost");
var shadowRoot = host.attachShadow({mode: "open"});
var template = document.getElementById("template");
var node = template.content.cloneNode(true);
shadowRoot.appendChild(node);
var content = host.shadowRoot.getElementById("content");
var captureButton = document.getElementById("btnCapture");
captureButton.addEventListener("pointerdown", function(event){
logMessage("Pointer will be captured by the shadow dom gray rectangle.");
content.setPointerCapture(event.pointerId);
events.push("pointerdown@captureButton");
});
content.addEventListener("gotpointercapture", function(event){
logMessage("Gray rectangle received pointercapture.");
logMessage("Removing gray rectangle from shadow dom.")
content.parentNode.removeChild(content);
events.push("gotpointercapture@content");
});
content.addEventListener("lostpointercapture", function(event){
logMessage("Test Failed! The element removed from shadow dom should not receive lostpointercapture.")
events.push("lostpointercapture@content");
if(window.promise_test && shadow_dom_test){
shadow_dom_test.step(function(){
assert_unreached("lostpointercapture must be fired on the document, not the capturing element");
reject_test("lostpointercapture must not be dispatched on the disconnected node");
shadow_dom_test.done();
});
}
});
document.addEventListener("lostpointercapture", function(event){
logMessage("Test Passed! Document received lostpointercapture.");
events.push("lostpointercapture@document");
if(window.promise_test && shadow_dom_test){
shadow_dom_test.step(function(){
assert_array_equals(events, ["pointerdown@captureButton",
"gotpointercapture@content",
"lostpointercapture@document"]);
resolve_test();
});
}
});
var shadow_dom_test = null;
var resolve_test = null;
var reject_test = null;
function cleanup(){
events = [];
shadow_dom_test = null;
resolve_test = null;
reject_test = null;
}
if(window.promise_test){
promise_test(async function(t){
var actions_promise;
return new Promise(async function(resolve, reject){
shadow_dom_test = t;
resolve_test = resolve;
reject_test = reject;
t.add_cleanup(function(){
cleanup();
});
var actions = new test_driver.Actions();
actions_promise = actions
.pointerMove(0, 0, {origin:captureButton})
.pointerDown({button: actions.ButtonType.LEFT})
.pointerUp({button: actions.ButtonType.LEFT})
.send();
}).finally(async () => {
await actions_promise;
t.done();
});
}, "lostpointercapture is dispatched on the document when shadow dom capturing element is removed");
}
}
</script>
</body>
</html>
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